Research Article
Reducing Bias in Beta Regression Models Using Jackknifed Liu-Type Estimators: Applications to Chemical Data
Table 1
MSEs of estimators for different values of
, and
| | | | | BMLE | BRE | BLE | BLTE | BJLTE | BMJLTE | BMLE | BRE | BLE | BLTE | BJLTE | BMJLTE |
| | 50 | 0.90 | 0.3022 | 0.3384 | 0.2923 | 0.2832 | 0.2147 | 0.1103 | 0.2478 | 0.2142 | 0.2319 | 0.1912 | 0.1543 | 0.0798 | 0.95 | 0.5794 | 0.6134 | 0.5468 | 0.5350 | 0.2909 | 0.1145 | 0.4436 | 0.3636 | 0.3873 | 0.2865 | 0.2282 | 0.0910 | 0.99 | 2.2172 | 2.8775 | 1.7931 | 1.7655 | 1.0641 | 0.2832 | 2.0901 | 1.6876 | 1.7618 | 1.2805 | 0.7917 | 0.2122 | 100 | 0.90 | 0.1333 | 0.1465 | 0.1129 | 0.0969 | 0.0917 | 0.0664 | 0.1127 | 0.0983 | 0.1096 | 0.0958 | 0.0865 | 0.0517 | 0.95 | 0.2543 | 0.2804 | 0.2127 | 0.2106 | 0.1654 | 0.0745 | 0.2122 | 0.1865 | 0.1975 | 0.1806 | 0.1302 | 0.0587 | 0.99 | 1.1973 | 1.2859 | 1.0951 | 0.9460 | 0.4728 | 0.1253 | 0.9914 | 0.8548 | 0.9764 | 0.7054 | 0.4091 | 0.1144 | 200 | 0.90 | 0.0893 | 0.0942 | 0.0827 | 0.0782 | 0.0646 | 0.0448 | 0.0525 | 0.0521 | 0.0524 | 0.0520 | 0.0464 | 0.0319 | 0.95 | 0.1306 | 0.1405 | 0.1224 | 0.1053 | 0.0994 | 0.0514 | 0.0965 | 0.0888 | 0.0937 | 0.0831 | 0.0712 | 0.0379 | 0.99 | 0.6009 | 0.6327 | 0.5507 | 0.5165 | 0.2801 | 0.0838 | 0.4587 | 0.3885 | 0.4271 | 0.3689 | 0.2175 | 0.0672 |
| | 50 | 0.90 | 0.8585 | 0.7101 | 0.8112 | 0.6779 | 0.5602 | 0.2451 | 0.6874 | 0.6137 | 0.6288 | 0.5241 | 0.4639 | 0.2073 | 0.95 | 1.7104 | 1.1514 | 1.3928 | 0.9291 | 0.9904 | 0.3846 | 1.2851 | 1.0236 | 1.1967 | 0.9009 | 0.7720 | 0.3015 | 0.99 | 8.6889 | 7.2763 | 7.4530 | 6.7188 | 4.5850 | 1.6188 | 5.9755 | 3.8911 | 4.5802 | 3.8891 | 3.1749 | 1.1342 | 100 | 0.90 | 0.3986 | 0.3477 | 0.3920 | 0.3255 | 0.3059 | 0.1569 | 0.2873 | 0.2803 | 0.2815 | 0.2742 | 0.2296 | 0.1201 | 0.95 | 0.7306 | 0.6585 | 0.6968 | 0.5220 | 0.4874 | 0.2020 | 0.5359 | 0.4857 | 0.5184 | 0.4563 | 0.3746 | 0.1594 | 0.99 | 3.5323 | 2.6366 | 2.9676 | 2.0615 | 1.8698 | 0.5925 | 2.6909 | 2.0213 | 2.2174 | 1.8216 | 1.4400 | 0.4598 | 200 | 0.90 | 0.2890 | 0.2430 | 0.2748 | 0.2355 | 0.1629 | 0.1024 | 0.1605 | 0.1535 | 0.1598 | 0.1351 | 0.1239 | 0.0772 | 0.95 | 0.4578 | 0.4176 | 0.4204 | 0.4034 | 0.2751 | 0.1376 | 0.2846 | 0.2661 | 0.2730 | 0.2548 | 0.2038 | 0.1032 | 0.99 | 1.5683 | 1.1589 | 1.3526 | 1.1169 | 0.8971 | 0.2909 | 1.2089 | 1.0617 | 1.1856 | 0.8241 | 0.7236 | 0.2431 |
| | 50 | 0.90 | 2.5243 | 1.6977 | 1.9620 | 1.1786 | 1.4256 | 0.9571 | 1.9009 | 1.2977 | 1.6209 | 0.8938 | 0.8331 | 0.4962 | 0.95 | 5.0245 | 4.2807 | 4.8692 | 4.0890 | 3.5342 | 3.2079 | 3.6854 | 2.7807 | 3.3092 | 2.4606 | 2.3068 | 1.3676 | 0.99 | 24.6431 | 12.8085 | 19.7217 | 9.6211 | 9.1361 | 8.7632 | 18.4751 | 10.9167 | 16.2137 | 6.7541 | 4.1255 | 2.2051 | 100 | 0.90 | 1.0469 | 0.8181 | 0.9835 | 0.6289 | 0.4407 | 0.3488 | 0.7490 | 0.6345 | 0.7184 | 0.4629 | 0.7442 | 0.6787 | 0.95 | 1.9974 | 1.3483 | 1.6154 | 0.9259 | 0.9349 | 0.6284 | 1.4818 | 1.0734 | 1.2275 | 0.6999 | 1.4447 | 1.2420 | 0.99 | 9.9571 | 5.2884 | 8.4150 | 3.7668 | 3.1380 | 2.8220 | 7.2307 | 4.7531 | 5.1546 | 3.5274 | 2.9461 | 1.6707 | 200 | 0.90 | 0.4948 | 0.4095 | 0.4673 | 0.3818 | 0.3940 | 0.2719 | 0.3489 | 0.2745 | 0.3076 | 0.2799 | 0.3484 | 0.2333 | 0.95 | 0.9220 | 0.8566 | 0.9074 | 0.8478 | 0.6173 | 0.4505 | 0.6735 | 0.4526 | 0.5647 | 0.4105 | 0.3700 | 0.3224 | 0.99 | 4.3973 | 3.9470 | 4.1994 | 3.6736 | 2.8949 | 1.7720 | 3.2880 | 2.5741 | 2.8634 | 1.1837 | 1.9341 | 0.9379 |
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